KX4A 1Inch Ball Base M10 X 1.25 Male Thread Mount | Motorcycle Motorbike for ram MounOOTDTY  brand new and high qualityBall Size:25mmM10 x 1.25 Male Thread1X 1 Inch Ball - M10 x 1.25 Male ThreadColour: BlackMaterial: Aluminum alloyNote:Transition: 1cm=10mm=0.39inchPlease allow 0-1cm error due to manual measurement. pls make sure you do not mind before you bid.Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you!Only the above package content, other products are not included.Package Content:1 X ball base